The Superior WRT4000 is a large wood burner with a flush face for a custom style installation. It uses high-dome design and requires a 12" chimney for optimum performance and assurance against smoke spillage. The Superior WRT4000 comes standard with smooth white bottom, end refractory brick liner and textured charcoal powder coat finish.This series offers the style and versatility for most any application. Features - Available in Corner (WRT40C/WCT40C), Peninsula (WRT40PF) and See Through (WRT35ST/WRT40ST) models. - Radiant smooth-faced (WRT models) or circulating louvered (WCT models). - Insulated firebox for increased performance in colder climates (available in select models). - White refractory panels; heavy duty log grate; includes mesh fire screens. - Uses IHP 8 DM (WRT40C/WCT40C/WRT35ST) and IHP 12 DM (WRT40PF/WRT40ST) (1700º) double wall air cooled wood burning chimney. - 20 year limited warranty.